Colloidogen
[医] 胶态原(使体内无机质保持胶态)
🗣️ 情景例句
How should I feel?
我该作何感想？
I asked him to check it for me, but he wouldn't.
我请他帮我检查，但是他不肯。
The conference was very well organized. Everything began and finished on time.
会议安排的很好。开始和结束都准时。